Lamp-casing ring



May 4 ,1926.

L. EDELMANN LAMP CASING RING Filed 001;. 20, 1925 Patented May 4, 1926.' p

UNITED STATES.

1,583,677 PATKIENT OFFICE- LEO nnnnunm, or onrcneo, rumors, ASSI'G-NOR '10 n. zan'nnnarm a 00., or

' onrcaso, ILLINOIS, a conronamon or rumors.

LAMP-CASING RING.

- Application filed October 20,1925- Serial No.' 63,785.

To all whom it mag 0012mm:

Be it known that I, Lno EnnnMANN, a

citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Lamp-Casing Rings, of which the 'followmg 1s a speclfication.

This invention relates to lamp casing rings 7 and particularlyto aring adapted for use upon an automobile lamp casing to secure the lens or glass thereof in place. r

An object of my invention is to prov de a ring which can be simply and cheaply manufactured and which is of rigid and durable construction.

A further object resides in so constructingthe ring that fastening means of the types now ordinarily used, can be employed.

Another object is to so construct the connecting ends of the split ring that fastens ing receiving portions are provided wlthou't the necessity of applying special brackets' or extensions.

With these and other objects in view,-

which will'be apparent from a consideration of the disclosure. my present invention 7 includes certam novel features of construction and combinations of parts which willnow .be set forth in connection with the drawing. 4

In the drawing: Figure 1 is a view in side elevation of a lamp of the drum type having my invention applied thereto.

Figure 2 illustrates a modified .form of e the ring applied to a difierent type of lamp casing. v

Figure 3 is an enlarged fragmentary detail view to better show the connection of the ends of the ring. v Figure 4 is a. longitudinal sectional vlew.

through the ends of the ringwith the has tening removed, and

Figure 5 is a detail perspective view of one end of the ring; l My invention is adaptable for application I with a split ring of any cross sectional form,

and rings intended for use on different connections. In Figure 1 I have illustrated two rings 1 and 2, of substantially the same form and construction, applied upon a light casing 3 of the drum type. In this. showing one of the rings serves as a glass or lens retaining ring and the second ring 1s employed to give a symmetrical shape and appearance to the lamp casing. It is com- 'mon practice to construct headlights ano other lamp casings of .the drum type, with the body portion enameled and the end ring portions nickeled or otherwise given a contrasting finish and my invention is readily adapted'to such construction. J

With the disclosure in Figure 2, the ring 4 is applied to a lamp casing 5 of substantially parabolical form, and whereas the rings 1 and 2 will preferably be substantially U-shaped in cross section, the ring 4 is of substantially semi-circular form in vide fastening receiving openings as gener-;

ally indicated at 12 in Figure 5. By presslng out material at 10 and bossing in as at 11, I find that it'is possible to form a substantially circular opening without materially restricting or changing the cross sectional form of the ring.

A clamp screw 13 having a clamp nut 14 thereon is fitted through these openings 12 with the head of the screw against the cut edge 8 and the clamp nut 14 against the edge 9 or the reverse, and it will be appreciated that various other forms'of fastenings can be readily fitted and secured through these openings to draw in and more or less rigid- 1y connect the split ends of the rin While I have herein shown and ascribed only certain specific embodiments, forms and uses of my improved retaining ring, it will be appreciated that changes and variations can be made to adapt the ring for particular conditions of use without departing from the spirit and scope of my invention.

1. A split retaining ring having slits formed transversely therethrough adjacent its extremities and vhaving the material at the ends beyond said slits pressed out to provide alined fastening receiving loops.

2. A split retainin ring out through transversely in its -mi dle portion adjacent its extremities, and having the material thereof 'on the outer sides of the cuts bent 5 out and on the inner sides bossed in to provide fastening receiving openings.

3. A retaining ring of split ring form having slits formed transversely through the body thereof adjacent its extremities and 10 having the material on the outer sides of the slits pressed out and on the inner sides bossed in to form alined openings, a clamp screw fitted through the alined openings with its lfiead hearing against the slit edge of the loop portion of one end of the ring, and a clamp nut on said screw bearing against the similar edge on the remaining end of the ring. I

In testimony whereof I aflix-my signature.

LEO EDELMANN. 

